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| TL592B DIFFERENTIAL VIDEO AMPLIFIER SLFS001A - JUNE 1985 - REVISED APRIL 1988 D D D Adjustable Gain to 400 Typ No Frequency Compensation Required Low Noise . . . 3 V Typ Vn D8 OR P PACKAGE (TOP VIEW) description This device is a monolithic two-stage video amplifier with differential inputs and differential outputs. It features internal series-shunt feedback that provides wide bandwidth, low phase distortion, and excellent gain stability. Emitterfollower outputs enable the device to drive capacitive loads. All stages are current-source biased to obtain high common-mode and supplyvoltage rejection ratios. The differential gain is typically 400 when the gain adjust pins are connected together, or amplification may be adjusted for near 0 to 400 by the use of a single external resistor connected between the gain adjustment pins A and B. No external frequency-compensating components are required for any gain option. The device is particularly useful in magnetic-tape or disk-file systems using phase or NRZ encoding and in high-speed thin-film or plated-wire memories. Other applications include generalpurpose video and pulse amplifiers. The device achieves low equivalent noise voltage through special processing and a new circuit layout incorporating input transistors with low base resistance. The TL592B is characterized for operation from 0C to 70C. IN + GAIN ADJ A VCC - OUT + 1 2 3 4 8 7 6 5 IN - GAIN ADJ B VCC + OUT - D14 OR N PACKAGE (TOP VIEW) IN + NC NC GAIN ADJ A VCC - NC OUT + 1 2 3 4 5 6 7 14 13 12 11 10 9 8 IN - NC NC GAIN ADJ B VCC + NC OUT - D8 and D14 are the codes to differentiate the 8-pin and 14-pin versions, respectively. symbol GAIN ADJ A IN + IN - GAIN ADJ B OUT + OUT - PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright (c) 1988, Texas Instruments Incorporated POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 TL592B DIFFERENTIAL VIDEO AMPLIFIER SLFS001A - JUNE 1985 - REVISED APRIL 1988 schematic 6 VCC + 4 IN + IN + Gain Adjust A B 1 8 2 7 5 OUT + OUT - 3 Pin numbers are for D8 and P packages. VCC - absolute maximum ratings over operating free-air temperature (unless otherwise noted) Supply voltage, VCC + (see Note 1 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 V Supply voltage, VCC - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 8 V Differential input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 V Voltage range, any input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC + to VCC - Output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to 70C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to 150C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C NOTES: 1. All voltage values except differential input voltages are with respect to the midpoint between VCC + and VCC - . DISSIPATION RATING TABLE PACKAGE D8 D14 N P TA 25C POWER RATING 530 mW 530 mW 530 mW 530 mW DERATING FACTOR 5.8 mW/C N/A N/A N/A DERATE ABOVE TA 59C N/A N/A N/A TA = 70C POWER RATING 464 mW 530 mW 530 mW 530 mW 2 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 TL592B DIFFERENTIAL VIDEO AMPLIFIER SLFS001A - JUNE 1985 - REVISED APRIL 1988 recommended operating conditions MIN Supply voltage, VCC + Supply voltage, VCC - Operating free-air temperature, TA 3 -3 0 NOM 6 -6 MAX 8 -8 70 UNIT V V C electrical characteristics at specified free-air temperature, VCC = 6 V, RL = 2 k (unless otherwise noted) PARAMETER AVD AVD2 BW IIO IIB VICR VOC VOO VOPP ri ro Ci Large-signal differential g g voltage amplification Large-signal differential g g voltage amplification Bandwidth ( - 3 dB) Input offset current Input bias current Common-mode input voltage range Common-mode output voltage Output offset voltage Peak-to-peak output voltage swing Input resistance Output resistance Input capacitance f = 100 kHz CMRR Common-mode rejection j ratio Supply voltage rejection y g j ratio (VCC /VIO) Broadband equivalent input noise voltage Propagation delay time Rise time Maximum output sink current Su ly Supply current 3 VIC = 1 V, RAB = 0 VCC + = 0.5 V, VCC - = 0.5 V, f = 5 MHz f = 100 kHz f = 5 MHz kSVR Vn tpd tr Isink(max) i k( ) ICC 4 4 2 2 RAB = 0 3 1 1 1 RL = VID = 0, RL = RL = 2 k k, VOD = 1 V V, RAB = , TEST FIGURE 1 1 2 TEST CONDITIONS VOPP = 3 V, RAB = 0 VOPP = 3 V, RAB = 1 k VOPP = 1 V, RL = 2 k, RL = 2 k, RAB = 0 TA 25C 0C to 70C 25C 25C 25C 0C to 70C 25C 0C to 70C 25C 0C to 70C 25C 25C 0C to 70C RAB = 0 RAB = 0 25C 0C to 70C 25C 0C to 70C 0C to 70C 25C 25C 0C to 70C 25C 0C to 70C 25C 25C 25C VO = 3 V No signal 25C 0C to 70C 3 60 50 60 50 50 3 7.5 10.5 4 18 24 27 70 d V ns ns mA mA 5 86 60 dB 3 2.8 4 3.6 30 4 1 1 2.4 24 2.9 29 0.35 3.4 34 0.75 1.5 9 MIN 300 250 13 50 0.4 5 6 30 40 TYP 400 MAX 500 600 UNIT V/V V/V MHz A A V V V V k pF BW = 1 kHz to 10 MHz VO = 1 V VO = 1 V VID = 1 V V, No load load, RAB is the gain-adjustment resistor connected between gain-adjust pins A and B. If not specified for a particular parameter, its value is irrelevant to that parameter. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3 TL592B DIFFERENTIAL VIDEO AMPLIFIER SLFS001A - JUNE 1985 - REVISED APRIL 1988 PARAMETER MEASUREMENT INFORMATION RAB VID + A VO + VOD - 50 50 V OC RL VO - VID RAB 0.2 F A +B - 50 50 0.2 F 1 k 1 k VO + B + V O) ) VO* 2 VO - Figure 1 RAB 50 50 VIC 0.2 F A +B 0.2 F - 1 k 1 k VO - - VO + Figure 2 RAB A + B VOD RL = 2 k Figure 3 Figure 4 4 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 TL592B DIFFERENTIAL VIDEO AMPLIFIER SLFS001A - JUNE 1985 - REVISED APRIL 1988 TYPICAL CHARACTERISTICS LARGE-SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION vs SUPPLY VOLTAGE 500 RAB = 0 f = 1 kHz TA = 25C See Figure 1 1000 700 400 VCC + = 6 V VCC - = - 6 V f = 10 kHz TA = 25C See Figure 1 LARGE-SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION vs GAIN-ADJUSTMENT RESISTANCE Voltage Amplification - V/V 300 Voltage Amplification - V/V 8 400 100 70 40 200 100 0 3 10 4 5 6 7 VCC - Supply Voltage - V 1 4 10 40 100 400 1k RAB - Gain-Adjustment Resitance - Figure 5 SUPPLY CURRENT vs SUPPLY VOLTAGE 30 No Load No Signal TA = 25C Figure 6 25 ICC - Supply Current - mA I CC 20 15 10 5 0 3 4 5 6 7 8 VCC - Supply Voltage - V Figure 7 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 5 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK. In order to minimize risks associated with the customer's applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI's publication of information regarding any third party's products or services does not constitute TI's approval, warranty or endorsement thereof. Copyright (c) 1998, Texas Instruments Incorporated |
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